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d="scan'208";a="13345220" Date: Mon, 24 Feb 2020 16:33:15 +0100 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: Igor Druzhinin Message-ID: <20200224153315.GT4679@Air-de-Roger> References: <1582133128-25638-1-git-send-email-igor.druzhinin@citrix.com> <1d138bf8-0cec-b66d-c852-fd7d6392e69d@suse.com> <5f27be3d-263b-42b6-7489-8fbc1079c38b@citrix.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5f27be3d-263b-42b6-7489-8fbc1079c38b@citrix.com> X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL01.citrite.net (10.69.22.125) Subject: Re: [Xen-devel] [PATCH v2] x86/cpu: Sync any remaining RCU callbacks after CPU up/down X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: jgross@suse.com, xen-devel@lists.xenproject.org, wl@xen.org, Jan Beulich , andrew.cooper3@citrix.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gRnJpLCBGZWIgMjEsIDIwMjAgYXQgMDc6MjY6NDlQTSArMDAwMCwgSWdvciBEcnV6aGluaW4g d3JvdGU6Cj4gT24gMjEvMDIvMjAyMCAxNjoyOSwgSmFuIEJldWxpY2ggd3JvdGU6Cj4gPiBPbiAx OS4wMi4yMDIwIDE4OjI1LCBJZ29yIERydXpoaW5pbiB3cm90ZToKPiA+PiAtLS0gYS94ZW4vYXJj aC94ODYvc3lzY3RsLmMKPiA+PiArKysgYi94ZW4vYXJjaC94ODYvc3lzY3RsLmMKPiA+PiBAQCAt NzgsOCArNzgsMTEgQEAgc3RhdGljIHZvaWQgbDNfY2FjaGVfZ2V0KHZvaWQgKmFyZykKPiA+PiAg bG9uZyBjcHVfdXBfaGVscGVyKHZvaWQgKmRhdGEpCj4gPj4gIHsKPiA+PiAgICAgIHVuc2lnbmVk IGludCBjcHUgPSAodW5zaWduZWQgbG9uZylkYXRhOwo+ID4+IC0gICAgaW50IHJldCA9IGNwdV91 cChjcHUpOwo+ID4+ICsgICAgaW50IHJldDsKPiA+PiAgCj4gPj4gKyAgICAvKiBGbHVzaCBwb3Rl bnRpYWxseSBzY2hlZHVsZWQgUkNVIHdvcmsgZnJvbSBwcmVjZWRpbmcgQ1BVIG9mZmxpbmUgKi8K PiA+PiArICAgIHJjdV9iYXJyaWVyKCk7Cj4gPj4gKyAgICByZXQgPSBjcHVfdXAoY3B1KTsKPiA+ PiAgICAgIGlmICggcmV0ID09IC1FQlVTWSApCj4gPj4gICAgICB7Cj4gPj4gICAgICAgICAgLyog T24gRUJVU1ksIGZsdXNoIFJDVSB3b3JrIGFuZCBoYXZlIG9uZSBtb3JlIGdvLiAqLwo+ID4+IEBA IC0xMDQsNyArMTA3LDExIEBAIGxvbmcgY3B1X3VwX2hlbHBlcih2b2lkICpkYXRhKQo+ID4+ICBs b25nIGNwdV9kb3duX2hlbHBlcih2b2lkICpkYXRhKQo+ID4+ICB7Cj4gPj4gICAgICBpbnQgY3B1 ID0gKHVuc2lnbmVkIGxvbmcpZGF0YTsKPiA+PiAtICAgIGludCByZXQgPSBjcHVfZG93bihjcHUp Owo+ID4+ICsgICAgaW50IHJldDsKPiA+PiArCj4gPj4gKyAgICAvKiBGbHVzaCBwb3RlbnRpYWxs eSBzY2hlZHVsZWQgUkNVIHdvcmsgZnJvbSBwcmVjZWRpbmcgQ1BVIG9ubGluZSAqLwo+ID4+ICsg ICAgcmN1X2JhcnJpZXIoKTsKPiA+PiArICAgIHJldCA9IGNwdV9kb3duKGNwdSk7Cj4gPj4gICAg ICBpZiAoIHJldCA9PSAtRUJVU1kgKQo+ID4+ICAgICAgewo+ID4+ICAgICAgICAgIC8qIE9uIEVC VVNZLCBmbHVzaCBSQ1Ugd29yayBhbmQgaGF2ZSBvbmUgbW9yZSBnby4gKi8KPiA+Pgo+ID4gCj4g PiBUaGVyZSBhcmUgbW9yZSBjYWxscyB0byBjcHVfdXAoKSAvIGNwdV9kb3duKCksIG1vc3Qgbm90 YWJseSBpbgo+ID4gY29yZV9wYXJraW5nLmMuIFdvdWxkbid0IGl0IGJlIGJldHRlciB0byBtYWtl IHRoZSBiYXJyaWVyIHBhcnQKPiA+IG9mIHRoZSB0d28gZnVuY3Rpb25zPyBUaGlzIHdvdWxkIHRo ZSBhbHNvIGNvdmVyIG5vbi14ODYgaW4KPiA+IGNhc2UgYW4gYXJjaCB3YW50cyB0byBzdXBwb3J0 IG9mZmxpbmluZy9vbmxpbmluZyBvZiBDUFVzLgo+IAo+IFRob3NlIGZ1bmN0aW9ucyBhcmUgY2Fs bGVkIGZyb20gZWFybHkgaW5pdCBjb2RlIGFuZCByY3VfYmFycmllcigpIGlzCj4gYW4gZXhwZW5z aXZlIG9wZXJhdGlvbi4gSSB0aGluayBpdCdzIGJldHRlciBpZiBjYWxsZXIgaXMgcmVzcG9uc2li bGUKPiBmb3Igc3luY2luZyB0aGUgc3RhdGUuIFRoaXMgaXMgdGhlIHJlYXNvbiBJIG1vdmVkIHJj dV9iYXJyaWVyKCkgaW4gZnJvbnQKPiBvZiBjcHVfdXAvZG93bi4KCkNvdWxkIHlvdSBnYXRlIHRo ZSBjYWxsIHRvIHJjdV9iYXJyaWVyKCkgb24gc3lzdGVtX3N0YXRlID4KU1lTX1NUQVRFX3NtcF9i b290PwoKSSB0aGluayB0aGF0IHdvdWxkIGF2b2lkIGNhbGxpbmcgdGhlbSBkdXJpbmcgZWFybHkg Ym9vdCBhbmQgc21wCnN0YXJ0dXAgYnV0IHdvdWxkIHN0aWxsIGFsbG93IGZvciB0aGUgY2FsbCB0 byByY3VfYmFycmllcigpIHRvIGJlCmhpZGRlbiBpbnNpZGUgY3B1X3t1cC9kb3dufS4KClRoYW5r cywgUm9nZXIuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpo dHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs